As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT SIDE AFT LAV SMOKE ALARM WENT OFF IN FLIGHT. LAV INSPECTED, TRASH BIN REMOVED AND REPLACED, NO EVIDENCE OF SMOKE AFTER LANDING. A PAX ROW 29 REPORTED A BURNING ODOR COMING FROM LAV AREA. INSPECTED LAV AND GALLEY AREAS, NO TROUBLE FOUND.